Round bottom flask 1000 ml ST 29/32 Economy

Round-bottom flask 1000 ml NS 29/32 Economy is a clear laboratory vessel with a nominal capacity of 1000 ml and an NS 29/32 ground joint. Made from borosilicate glass 3.3, it features a short neck and is intended for everyday distillation, reaction and collection work. Outer diameter is 131 mm and overall height is 183 mm, giving a compact form that fits standard heating mantles, cork rings and clamps.

This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.

This Economy flask from manufacturer Witeg suits organic synthesis, solvent recovery and general preparative chemistry where a single short-neck joint is preferred. The NS 29/32 joint connects directly to condensers, still heads, adapters and other interchangeable ground-joint glassware. Clear borosilicate glass 3.3 allows continuous visual inspection of contents, colour changes and boiling behaviour during heating or cooling.

Supplied in packs of 10 pieces, the flask is practical for teaching laboratories, quality-control suites and research groups that need reliable multi-purpose glassware. The round-bottom geometry supports even heat distribution and efficient magnetic or mechanical stirring when used with appropriate supports. Net weight is 0,286 kg per flask. Dimensions and joint size follow common European laboratory conventions, ensuring straightforward integration into existing apparatus trains for distillation and receiving applications.

Key features

• Pack size: 10 pc(s)
• Capacity: 1000 ml
• Joint size: NS 29/32
• Neck type: Short neck
• Outer diameter: 131 mm
• Height: 183 mm